Arnold Colleen F. 4

What Happened

• Colleen F. Arnold, a director of Smurfit Westrock plc (SW), was granted 367.844 restricted stock units (RSUs) on 2026-06-10. The award was recorded at $0.00 per unit (no cash paid at grant). Each RSU represents the right to receive one ordinary share.

Key Details

• Transaction date: 2026-06-10; Form filed: 2026-06-12 (filed within the typical 2-business-day Form 4 window).
• Amount granted: 367.844 RSUs; Price paid: $0.00; Total cash value at grant: $0.
• Shares owned after transaction: Not specified in the provided excerpt.
• Footnote F1: These RSUs include additional units accrued as dividend equivalents tied to the issuer's quarterly dividend of $0.4523 per ordinary share; dividend equivalents are subject to the same terms as the underlying award.
• Footnote F2: Reporting person’s holdings include 4,489 RSUs that will vest on the earlier of May 1, 2027 or the next annual meeting, and 27,601.98 fully vested RSUs that will be settled in ordinary shares after the director’s cessation of board service under the WestRock 2016 Deferred Compensation Plan for Non-Employee Directors.

Context

• This was an award/grant (not an open-market purchase or sale). RSU grants and dividend-equivalent accruals are common forms of director compensation and do not by themselves indicate a buy/sell signal. The filing appears timely based on the transaction and filing dates.